I've just recently changed from Corsair AF/SP Performance Edition Fans to a Mixture of Noctua Fans to make my rig quieter.

System is built in a Silverstone FT03

The problem I have is that I'm running an Corsair H80 cooler and right now 1 Noctua NF-F12 that is the push fan for the radiator run push/pull is causing a faint whine/whurring/buzzing soundIt's registering around 55dB with the whining fan on.

When that one fan is unplugged it falls to around 50db but the main thing is that with out the whinning sound (which is very annoying) it's very quiet because it's a very low pitched wooshing sound which is really just the air moving.

I just want to know what's causing this whinning sound? Is there some sort of physics behind this? Do I have one faulty fan?

I've got 3 noctua fans on my triple rad and they are smooth as can be.But they are the nf-p12's these are specifically made to produce more pressure and thus more suited for heatsinks and radiators.nf-f12 is really more of a low pressure case fan.But to my knowledge they should not make a whining noise, at least not as case fans.

The problem I have is that I'm running an Corsair H80 cooler and right now 1 Noctua NF-F12 that is the push fan for the radiator run push/pull is causing a faint whine/whurring/buzzing soundIt's registering around 55dB with the whining fan on.

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